Makeup Expiration Date Checker – When to Toss Old Products

The PAO (Period After Opening) symbol is a small open jar icon with a number followed by "M" (months). For example, "6M" means the product is safe for 6 months after first opening. You'll typically find it on the back or bottom of the packaging, near the barcode or ingredient list. This is different from the manufacture date or batch code.

Mascara has the shortest shelf life of all makeup products—typically just 3 to 6 months. This is because the applicator wand is repeatedly exposed to air and your eye area, then reinserted into the tube, creating a breeding ground for bacteria. Using expired mascara can lead to eye infections, styes, or conjunctivitis. Never "pump" the wand (this pushes air in) and replace it every 3 months to be safe.

It's not recommended. Expired liquid foundation and concealer can separate, oxidize (turn orange), and harbor bacteria that cause breakouts, rashes, or skin irritation. Even if it looks fine, the preservatives may have degraded, reducing protection against microbial growth. Powder foundations last longer (up to 2 years) but should still be monitored for texture changes.

Yes, unopened makeup does have a shelf life—typically 2 to 3 years from the manufacture date. Preservatives degrade over time even in sealed packaging. However, the PAO clock only starts ticking once you open the product. If you find an old unopened product, check for any signs of separation, odor, or packaging damage before using.

• Store products in a cool, dry place (not the bathroom—humidity accelerates spoilage).
• Keep cosmetics away from direct sunlight and heat sources.
• Tightly close caps and lids after each use to minimize air exposure.
• Use clean brushes and applicators to avoid introducing bacteria.
• Consider a makeup fridge for skincare and natural products (around 40-50°F / 4-10°C).
• Never share eye or lip products with others.

Lipsticks typically last 12-24 months after opening. While they may not harbor bacteria as easily as liquid products (due to lower water content), expired lipstick can become dry, waxy, or develop an unpleasant taste/smell. The oils can also go rancid. If your lipstick changes texture, smells off, or develops white spots (wax bloom or mold), it's time to replace it.

Using expired sunscreen is risky because the active ingredients degrade over time, reducing SPF protection significantly. You may think you're protected from UV rays when you're not, increasing the risk of sunburn and long-term skin damage. Sunscreen typically lasts 1 year after opening (or until the printed expiration date if unopened). Always check the expiration date and replace sunscreen annually.

Yes—natural and "clean" beauty products often have shorter shelf lives because they use fewer or milder preservatives (or none at all). Without strong preservatives, these products are more susceptible to bacterial growth and oxidation. Always check the PAO on clean beauty products and consider storing them in a cool place or even refrigerating them to extend freshness. Use them promptly after opening.

The manufacture date (or production date) is when the product was made. Unopened products are typically good for 2-3 years from this date. The PAO (Period After Opening) is completely different—it starts when you first open and use the product, regardless of the manufacture date. A product manufactured 2 years ago but opened yesterday has a fresh PAO clock starting now. Both dates matter, but PAO is more relevant for daily use.

Makeup sponges (like beauty blenders) should be replaced every 3 months, even with regular cleaning—they trap bacteria deep inside. Makeup brushes can last years with proper care, but should be deep-cleaned weekly for brushes used with liquid/cream products, and bi-weekly for powder brushes. Replace brushes when bristles start shedding excessively, lose shape, or feel scratchy on skin.